!
!  Description: Demonstrates error handling with incorrect Fortran objects
!
! -----------------------------------------------------------------------

      program main
#include <petsc/finclude/petscksp.h>
      use petscksp
      implicit none
      PetscErrorCode ierr
      PetscInt       test
      KSP            ksp

! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
!                 Beginning of program
! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

      PetscCallA(PetscInitialize(PETSC_NULL_CHARACTER,ierr))

      test = 1
      PetscCallA(PetscOptionsGetInt(PETSC_NULL_OPTIONS, PETSC_NULL_CHARACTER, '-test', test, PETSC_NULL_BOOL, ierr))
      if (test == 1) then
        PetscCallA(KSPSolve(PETSC_NULL_KSP,PETSC_NULL_VEC,PETSC_NULL_VEC,ierr))
      else if (test == 2) then
         PetscCallA(KSPCreate(PETSC_COMM_WORLD,PETSC_NULL_KSP,ierr))
      else if (test == 3) then
         PetscCallA(KSPCreate(PETSC_COMM_WORLD,ksp,ierr))
         PetscCallA(KSPCreate(PETSC_COMM_WORLD,ksp,ierr))
      else if (test == 4) then
        PetscCallA(KSPDestroy(PETSC_NULL_KSP,ierr))
      endif

!     These should error but do not when ksp has not been created
!     PetscCallA(KSPSolve(ksp,PETSC_NULL_VEC,PETSC_NULL_VEC,ierr))
!     PetscCallA(KSPDestroy(ksp,ierr))

      PetscCallA(PetscFinalize(ierr))
      end

!/*TEST
!
!   test:
!      requires: defined(PETSC_USE_DEBUG) !defined(PETSCTEST_VALGRIND) defined(PETSC_HAVE_FORTRAN_FREE_LINE_LENGTH_NONE) !defined(PETSC_HAVE_SANITIZER)
!      args: -petsc_ci_portable_error_output -error_output_stdout -test 1
!      filter: grep -E "(PETSC ERROR)" | sed s"?KSPCREATE?kspcreate?" | sed s"?kspcreate_?kspcreate?"
!
!   test:
!      suffix: 2
!      requires: !defined(PETSCTEST_VALGRIND) defined(PETSC_HAVE_FORTRAN_FREE_LINE_LENGTH_NONE) !defined(PETSC_HAVE_SANITIZER)
!      args: -petsc_ci_portable_error_output -error_output_stdout -test 2
!      filter: grep -E "(PETSC ERROR)" | sed s"?KSPCREATE?kspcreate?" | sed s"?kspcreate_?kspcreate?"
!
!   test:
!      suffix: 3
!      requires: !defined(PETSCTEST_VALGRIND) defined(PETSC_HAVE_FORTRAN_FREE_LINE_LENGTH_NONE) !defined(PETSC_HAVE_SANITIZER)
!      args: -petsc_ci_portable_error_output -error_output_stdout -test 3
!      filter: grep -E "(PETSC ERROR)" | sed s"?KSPCREATE?kspcreate?" | sed s"?kspcreate_?kspcreate?"
!
!
!   test:
!      suffix: 4
!      requires: !defined(PETSCTEST_VALGRIND) defined(PETSC_HAVE_FORTRAN_FREE_LINE_LENGTH_NONE) !defined(PETSC_HAVE_SANITIZER)
!      args: -petsc_ci_portable_error_output -error_output_stdout -test 4
!      filter: grep -E "(PETSC ERROR)" | sed s"?KSPDESTROY?kspdestroy?" | sed s"?kspdestroy_?kspdestroy?"
!      output_file: output/empty.out
!
!TEST*/
